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Patent Searching and Data


Title:
CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/004244
Kind Code:
A1
Abstract:
The present invention relates to a control valve for a variable displacement compressor, comprising: a body having a receiving space formed therein, in which a first port communicating with a crank chamber of the variable displacement compressor, a second port communicating with a discharge chamber of the variable displacement compressor, and a third port communicating with a suction chamber of the variable displacement compressor are formed; a valve body having a first valve portion formed thereon and being installed to be movable forward and backward; a plunger of a magnetic material fixed to the valve body; a coil for moving the plunger forward and backward; and a pressure sensitive body for correcting a forward and backward displacement of the valve body according to a pressure change of the suction chamber transmitted through the third port, wherein the plunger is installed outside the coil, and a magneto-dielectric of a non-magnetic material for inducing a magnetic force may be installed between the coil and the plunger.

Inventors:
GUK, Mu Sung (#604, Pyeongtaek 5-ro 34beon-gilPyeongtaek-si, Gyeonggi-do, 17902, KR)
HONG, Tae Ho (102-511, 42 Dongtanwoncheon-ro 1109beon-gil, Yeongtong-gu,Suwon-si, Gyeonggi-do, 16528, KR)
HWANG, Seong Hwan (123-1301, 22 Gyeongsu-daero 976beon-gil, Jangan-gu,Suwon-si, Gyeonggi-do, 16295, KR)
KANG, Dong Soo (502-2403, 33 Banseokdong-ro,Yuseong-gu, Daejeon, 34069, KR)
PARK, Jang Sik (121-502, 270 Sinbanpo-ro,Seocho-gu, Seoul, 06544, KR)
Application Number:
KR2017/006806
Publication Date:
January 04, 2018
Filing Date:
June 28, 2017
Export Citation:
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Assignee:
DONG IL MACHINERY CO.,LTD. (431 Deokbongseowon-ro, Yangseong-myeonAnseong-si, Gyeonggi-do, 17503, KR)
International Classes:
F04B27/14; F04B53/10; F16K31/06; H01F7/16
Attorney, Agent or Firm:
KIM, Han et al. (Yulmin IP Law Firm, 2nd Floor Nice Building,28 Saimdang-ro, Seocho-gu, Seoul, 06651, KR)
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